Math & Calculators
Percentage, BMI, interest and other calculators.
Popular across all categories
All tools A–ZAdd Percentage
Add a percentage to a number.
Average Calculator
Calculate the average of a list of numbers.
BMI Calculator
Calculate your Body Mass Index.
Commission Calculator
Calculate sales commission.
Compound Interest
Calculate compound interest growth.
Decimal to Fraction
Convert a decimal to a fraction.
Digital Root
Calculate the digital root of a number.
Discount Calculator
Calculate a discounted price.
Exponential Growth
Calculate exponential growth.
Factorial
Calculate the factorial of a number.
Fibonacci
Generate the Fibonacci sequence.
Fraction Simplifier
Reduce a fraction to its simplest form.
GCD Calculator
Find the greatest common divisor.
LCM Calculator
Find the least common multiple.
Loan Calculator
Calculate monthly loan payments.
Mean Median Mode
Calculate mean, median and mode.
Moving Average
Calculate a simple moving average.
Natural Log (ln)
Calculate the natural logarithm.
Percentage Calculator
Calculate X% of a number.
Percentage Change
Calculate the percentage change between two values.
Percentage of
Calculate what percent X is of Y.
Prime Number Check
Check if a number is prime.
Prime Numbers List
List all prime numbers up to N.
Roman Numeral
Convert between numbers and Roman numerals.
Round Number
Round a number to N decimal places.
Scientific Notation
Convert a number to scientific notation.
Simple Interest
Calculate simple interest on a principal.
Slope Calculator
Calculate the slope between two points.
Sphere Volume
Calculate the volume of a sphere.
Square Calculator
Calculate the square of a number (x²).
Standard Deviation
Calculate the standard deviation.
Tip Calculator
Calculate a tip and split the bill.
Trigonometry Calculator
Calculate sin, cos and tan of an angle.
Variance
Calculate the variance of numbers.
Absolute Value
Calculate the absolute value of a number.
Future Value of Annuity
Calculate the future value of an annuity.
Antilogarithm
Calculate the antilogarithm (10ˣ).
Arithmetic Sequence
Generate an arithmetic sequence.
Armstrong Number Check
Check if a number is an Armstrong number.
Basis Points Converter
Convert between percent and basis points.
Binary Addition
Add two binary numbers.
CAGR Calculator
Calculate compound annual growth rate.
Ceiling & Floor
Calculate ceiling and floor of a number.
Circle Calculator
Calculate area and circumference of a circle.
Coefficient of Variation
Calculate the coefficient of variation.
Combination (nCr)
Calculate combinations nCr.
Confidence Interval
Calculate a 95% confidence interval.
Correlation Coefficient
Calculate Pearson correlation between two datasets.
Credit Card Payoff
Calculate time to pay off a credit card.
Cube Calculator
Calculate the cube of a number (x³).
Cube Root
Calculate the cube root of a number.
Cylinder Volume
Calculate the volume of a cylinder.
Decimal to Percent
Convert a decimal to a percentage.
Digit Sum
Calculate the sum of a number's digits.
Distance Between Points
Calculate distance between two points.
Divisibility Check
Check if a number is divisible by another.
Effective Interest Rate
Calculate effective annual interest rate.
Even or Odd
Check if a number is even or odd.
Factors Finder
List all factors of a number.
Fraction to Decimal
Convert a fraction to a decimal.
Geometric Mean
Calculate the geometric mean.
Geometric Sequence
Generate a geometric sequence.
GPA Calculator
Calculate GPA from grades and credits.
Gross Profit
Calculate gross profit.
Half-Life Calculator
Calculate remaining amount after time.
Harmonic Mean
Calculate the harmonic mean.
Hex Addition
Add two hexadecimal numbers.
Right Triangle Calculator
Calculate triangle sides from angle and side.
Inflation Calculator
Calculate future value adjusted for inflation.
Interquartile Range
Calculate the interquartile range (IQR).
Linear Regression
Calculate linear regression (y = mx + b).
Logarithm
Calculate logarithms in any base.
Midpoint Calculator
Find the midpoint between two points.
Modulo Calculator
Calculate the remainder of a division.
Net Profit
Calculate net profit.
Nth Root Calculator
Calculate the nth root of a number.
Odds Calculator
Convert between probability and odds.
Percent Error
Calculate percent error between measured and actual.
Percent to Decimal
Convert a percentage to a decimal.
Percentile Calculator
Calculate the percentile of a value in a dataset.
Perfect Number Check
Check if a number is perfect.
Permutation (nPr)
Calculate permutations nPr.
Permutation with Repetition
Calculate permutations with repetition (n^r).
Exponent Calculator
Raise a base to an exponent.
Prime Factorization
Find the prime factors of a number.
Probability Calculator
Calculate probability from favorable and total.
Product of Numbers
Multiply a list of numbers.
Proportion Solver
Solve a proportion a/b = c/x.
Pythagorean Theorem
Find the hypotenuse of a right triangle.
Quadratic Equation Solver
Solve ax² + bx + c = 0.
Quartiles Calculator
Calculate Q1, Q2 and Q3.
Range Calculator
Find the range (max - min) of numbers.
Ratio Simplifier
Simplify a ratio to its lowest terms.
Ratio to Percent
Convert a ratio to a percentage.
Reciprocal
Calculate the reciprocal (1/x).
Rectangle Area
Calculate the area of a rectangle.
Rule of 72
Estimate years to double an investment.
Savings Goal
Calculate months to reach a savings goal.
Selling Price Calculator
Calculate selling price from cost and markup.
Significant Figures
Round a number to N significant figures.
Subtract Percentage
Subtract a percentage from a number.
Sum of Numbers
Add up a list of numbers.
Triangle Area
Calculate the area of a triangle.
Truncate Number
Truncate a number to N decimals (no rounding).
Weighted Average
Calculate a weighted average.
Weighted Grade Calculator
Calculate weighted final grade.
Z-Score Calculator
Calculate the z-score of a value.